Jane (Rachael Taylor) makes a terrifying discovery about what lies behind the walls of The Drake as she begins to renovate Mr. Barlow’s apartment. Meanwhile, Henry (Dave Annable) wrestles with whether he should tip off Gavin (Terry O’Quinn) to inside information he has on one of his big projects, and lonely Drake resident Danielle Vincent (guest star Mili Avital) gets a much-needed assist from Gavin for a romantic tryst with a business associate of his. Finally, Brian (Robert Buckley) struggles with his continuing temptation for Alexis (Helena Mattsson), and Jane determines to continue her investigation of the mysterious door in the basement.

666 PARK AVENUE

Today, 10 p.m., ABC

Black magic

While Regina (Lana Parrilla) continues to find a way to regain her magical powers, David (Josh Dallas) continues his quest to uncover the whereabouts of Mary Margaret (Ginnifer Goodwin) and Emma (Jennifer Morrison); and the seven dwarves discover what happens when any of the townspeople try to step past the city limits of Storybrooke. Meanwhile, in the fairy tale land that was, as her wedding day to King Leopold approaches, Regina is confronted by a man of magic who promises to help her become independent and break free from her mother Cora’s (Barbara Hershey) clutches.

ONCE UPON A TIME

Today, 8 p.m., ABC

Straight ‘Arrow’

Having survived a Pacific Ocean shipwreck, billionaire playboy Oliver Queen returns home to Starling City and starts to make amends for his profligate behavior. High on his list is a reconciliation with his former girlfriend, Laurel Lance. But the new series “Arrow” is not an apologetic, 12-step kind of show. It is the name of Oliver’s secret persona — a vigilante who fights the ills of society. When do people find the time to do all these good works? It all sounds ducky except for one thing: Laurel’s father, Detective Quentin Lance, is determined to arrest the vigilante operating in his city. Starring Stephen Amell as Arrow and Katie Cassidy as Laurel.

ARROW

Wednesday, 8 p.m., The CW

Men with poles

Death is an everyday possibility at Chicago Firehouse 51, setting for the new series “Chicago Fire.” Big reputations and bigger egos, coupled with the pressure to perform and make split-second decisions, put squad members at odds with each other. In the middle of a divorce, Lieutenant Matthew Casey (Jesse Spencer) tries to go about business as usual but can’t help butting heads with the brash Lieutenant Kelly Severide (Taylor Kinney) of the Rescue Squad — and each blames the other for their fallen team member. When it’s “go-time” though, they put aside their differences and put everything on the line for each other. Also starring in this Dick Wolf enterprise are Eamonn Walker, Charlie Barnett, David Eigenberg and Merle Dandridge.

CHICAGO FIRE

Wednesday, 10 p.m., NBC

A spy among us

Against the advice of her family, Carrie (Claire Danes) becomes involved in an US-based operation that may rid the world of Abu Nazir (Navid Negahban) once and for all. Brody’s White House handler presses the congressman (Damian Lewis) and vice presidential candidate into service, as his relationship with Jessica (Morena Baccarin) takes a hit. And Captain Mike Faber (Diego Klattenhoff) questions the nature of the events surrounding the shocking shooting of Elizabeth Gaines (Linda Purl). Co-starring Mandy Patinkin and David Harewood.

HOMELAND

Today, 10 p.m., Showtime

This is a stick-up

Well, crime is on the rise in Williamsburg, with disturbances at McCarren pool and a drive-by murder on Bedford Avenue this summer. How canny of the producers of “2 Broke Girls” to reflect that in their sunny sitcom. This week, the diner gets held up when Max (Kat Dennings) and Caroline (Beth Behrs) are on duty. Caroline has an unusual reaction to the event and everyone sees a surprising new side of Han (Matthew Moy). Does he go Bronson on everyone?